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二战武器和弹药资料 british-grenade-rifle-no.-68-atk

ID：33002

阅读量：0

大小：0.29 MB

页数：4页

时间：2023-01-29

金币：50

上传者：战必胜
This grenade has the distinction of being the first
application of the Hollow charge principle to a military
munitions item. It was introduced in November 1940 in
the darkest days of WWII when we were losing
everywhere and even though it was efficient it must have
taken a brave man to front up to a German tank with it.
The supposedly effective range was 50 to 75 yards but it
would have been a very lucky shot to score a killing hit
at that range so closer would have been better but more
frightening for the operator. The theoretical penetration
was 50mm of armour at 0
O
and 40mm at 30
O
. The
grenade was launched from a specially strengthened rifle
called an “EY” rifle and it could also be fired from a
“Northover Projector”.
It was filled with 5.5 oz of, Lyddite, Pentolite, RDX/BWX or PE. The original model was provided
with small stabilizing vanes on the body that were later dispensed with and the gas check was secured
by a Bakelite screw that fractured on firing allowing the gas check plate to fall away. This was later
changed to a brass screw thus ensuring the gas check plate remained attached to the grenade
throughout its flight. The original hollow charge liner was hemispherical in shape but this was later
changed to a cylindro-conoidal shape as experimentation soon showed this to be a more efficient
shape.
The simple fuze
mechanism and the
hollow charge
layout are clearly
seen in this
photograph. Photo
courtesy of the
Imperial War
Museum, London
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